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This document has been prepared by the Fasteners Standards Committee (FMV), Working Committee NA 067-00-08-AA "Verbindungselemente mit Sonderformen und aus Kunststoff" ("Fasteners with special elements and made of plastic"). This document applies to mushroom head square neck bolts, with metric threads M5 to M20, of product grade C and specifies technical delivery conditions.
This document replaces DIN 603:1981-10 .
This document has been replaced by: DIN 603:2017-05 .